Results for “ff-only”
Small, practical examples. Search by task or narrow things down below.
Sum values per category
Calculate a grouped total.
SUM✓ Tested
Supply an environment variable to an exec process
Docker / Compose: An exec environment override applies to the new process only.
Docker / Compose✓ Tested
Take a limited number of iterator values
Python: Use islice to consume only the requested prefix of a potentially unbounded iterator.
Python✓ Tested
Take a page from an ordered sequence
C#: Apply a stable order before Skip and Take for predictable paging.
C#✓ Tested
Take Unicode characters without byte slicing
Take Unicode characters without byte slicing in a complete Rust program using the standard library.
Rust✓ Tested
Test an HTTP handler without a server
Test an HTTP handler without a server using a complete Go program with explicit sample inputs.
Go✓ Tested
Test missing values with IS NULL
Find rows where an optional value is absent.
IS NULL✓ Tested
Test whether a number is even
Test whether a number is even using a complete Go program with explicit sample inputs.
Go✓ Tested
Test whether any or all values match
C#: Any and All short-circuit instead of materializing filtered collections.
C#✓ Tested
Test whether one revision is an ancestor of another
Git: merge-base --is-ancestor reports its answer through the exit status.
Git✓ Tested
Transform a value by shadowing
Transform a value by shadowing in a complete Rust program using the standard library.
Rust✓ Tested
Transform an optional value
Transform an optional value in a complete Rust program using the standard library.
Rust✓ Tested